13181902688 has 96 divisors (see below), whose sum is σ = 27885241440. Its totient is φ = 6115737600.

The previous prime is 13181902687. The next prime is 13181902751. The reversal of 13181902688 is 88620918131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181902681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5955470 + ... + 5957682.

It is an arithmetic number, because the mean of its divisors is an integer number (290471265).

Almost surely, 2^13181902688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13181902688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13942620720).

13181902688 is an abundant number, since it is smaller than the sum of its proper divisors (14703338752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13181902688 is a wasteful number, since it uses less digits than its factorization.

13181902688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 13181902688 in words is "thirteen billion, one hundred eighty-one million, nine hundred two thousand, six hundred eighty-eight".